diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/subdev/bar')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/bar/base.c | 135 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/bar/nv50.c | 263 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/bar/nvc0.c | 215 |
3 files changed, 613 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/bar/base.c b/drivers/gpu/drm/nouveau/core/subdev/bar/base.c new file mode 100644 index 0000000..cd01c53 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/bar/base.c @@ -0,0 +1,135 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ + +#include <core/object.h> +#include <subdev/bar.h> + +struct nouveau_barobj { + struct nouveau_object base; + struct nouveau_vma vma; + void __iomem *iomem; +}; + +static int +nouveau_barobj_ctor(struct nouveau_object *parent, + struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *mem, u32 size, + struct nouveau_object **pobject) +{ + struct nouveau_bar *bar = (void *)engine; + struct nouveau_barobj *barobj; + int ret; + + ret = nouveau_object_create(parent, engine, oclass, 0, &barobj); + *pobject = nv_object(barobj); + if (ret) + return ret; + + ret = bar->kmap(bar, mem, NV_MEM_ACCESS_RW, &barobj->vma); + if (ret) + return ret; + + barobj->iomem = bar->iomem + (u32)barobj->vma.offset; + return 0; +} + +static void +nouveau_barobj_dtor(struct nouveau_object *object) +{ + struct nouveau_bar *bar = (void *)object->engine; + struct nouveau_barobj *barobj = (void *)object; + if (barobj->vma.node) + bar->unmap(bar, &barobj->vma); + nouveau_object_destroy(&barobj->base); +} + +static u32 +nouveau_barobj_rd32(struct nouveau_object *object, u32 addr) +{ + struct nouveau_barobj *barobj = (void *)object; + return ioread32_native(barobj->iomem + addr); +} + +static void +nouveau_barobj_wr32(struct nouveau_object *object, u32 addr, u32 data) +{ + struct nouveau_barobj *barobj = (void *)object; + iowrite32_native(data, barobj->iomem + addr); +} + +static struct nouveau_oclass +nouveau_barobj_oclass = { + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nouveau_barobj_ctor, + .dtor = nouveau_barobj_dtor, + .init = nouveau_object_init, + .fini = nouveau_object_fini, + .rd32 = nouveau_barobj_rd32, + .wr32 = nouveau_barobj_wr32, + }, +}; + +int +nouveau_bar_alloc(struct nouveau_bar *bar, struct nouveau_object *parent, + struct nouveau_mem *mem, struct nouveau_object **pobject) +{ + struct nouveau_object *engine = nv_object(bar); + return nouveau_object_ctor(parent, engine, &nouveau_barobj_oclass, + mem, 0, pobject); +} + +int +nouveau_bar_create_(struct nouveau_object *parent, + struct nouveau_object *engine, + struct nouveau_oclass *oclass, int length, void **pobject) +{ + struct nouveau_device *device = nv_device(parent); + struct nouveau_bar *bar; + int ret; + + ret = nouveau_subdev_create_(parent, engine, oclass, 0, "BARCTL", + "bar", length, pobject); + bar = *pobject; + if (ret) + return ret; + + bar->iomem = ioremap(pci_resource_start(device->pdev, 3), + pci_resource_len(device->pdev, 3)); + return 0; +} + +void +nouveau_bar_destroy(struct nouveau_bar *bar) +{ + if (bar->iomem) + iounmap(bar->iomem); + nouveau_subdev_destroy(&bar->base); +} + +void +_nouveau_bar_dtor(struct nouveau_object *object) +{ + struct nouveau_bar *bar = (void *)object; + nouveau_bar_destroy(bar); +} diff --git a/drivers/gpu/drm/nouveau/core/subdev/bar/nv50.c b/drivers/gpu/drm/nouveau/core/subdev/bar/nv50.c new file mode 100644 index 0000000..c3acf5b --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/bar/nv50.c @@ -0,0 +1,263 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ + +#include <core/gpuobj.h> + +#include <subdev/timer.h> +#include <subdev/bar.h> +#include <subdev/fb.h> +#include <subdev/vm.h> + +struct nv50_bar_priv { + struct nouveau_bar base; + spinlock_t lock; + struct nouveau_gpuobj *mem; + struct nouveau_gpuobj *pad; + struct nouveau_gpuobj *pgd; + struct nouveau_vm *bar1_vm; + struct nouveau_gpuobj *bar1; + struct nouveau_vm *bar3_vm; + struct nouveau_gpuobj *bar3; +}; + +static int +nv50_bar_kmap(struct nouveau_bar *bar, struct nouveau_mem *mem, + u32 flags, struct nouveau_vma *vma) +{ + struct nv50_bar_priv *priv = (void *)bar; + int ret; + + ret = nouveau_vm_get(priv->bar3_vm, mem->size << 12, 12, flags, vma); + if (ret) + return ret; + + nouveau_vm_map(vma, mem); + nv50_vm_flush_engine(nv_subdev(bar), 6); + return 0; +} + +static int +nv50_bar_umap(struct nouveau_bar *bar, struct nouveau_mem *mem, + u32 flags, struct nouveau_vma *vma) +{ + struct nv50_bar_priv *priv = (void *)bar; + int ret; + + ret = nouveau_vm_get(priv->bar1_vm, mem->size << 12, 12, flags, vma); + if (ret) + return ret; + + nouveau_vm_map(vma, mem); + nv50_vm_flush_engine(nv_subdev(bar), 6); + return 0; +} + +static void +nv50_bar_unmap(struct nouveau_bar *bar, struct nouveau_vma *vma) +{ + nouveau_vm_unmap(vma); + nv50_vm_flush_engine(nv_subdev(bar), 6); + nouveau_vm_put(vma); +} + +static void +nv50_bar_flush(struct nouveau_bar *bar) +{ + struct nv50_bar_priv *priv = (void *)bar; + unsigned long flags; + spin_lock_irqsave(&priv->lock, flags); + nv_wr32(priv, 0x00330c, 0x00000001); + if (!nv_wait(priv, 0x00330c, 0x00000002, 0x00000000)) + nv_warn(priv, "flush timeout\n"); + spin_unlock_irqrestore(&priv->lock, flags); +} + +void +nv84_bar_flush(struct nouveau_bar *bar) +{ + struct nv50_bar_priv *priv = (void *)bar; + unsigned long flags; + spin_lock_irqsave(&priv->lock, flags); + nv_wr32(bar, 0x070000, 0x00000001); + if (!nv_wait(priv, 0x070000, 0x00000002, 0x00000000)) + nv_warn(priv, "flush timeout\n"); + spin_unlock_irqrestore(&priv->lock, flags); +} + +static int +nv50_bar_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nouveau_device *device = nv_device(parent); + struct nouveau_object *heap; + struct nouveau_vm *vm; + struct nv50_bar_priv *priv; + u64 start, limit; + int ret; + + ret = nouveau_bar_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + ret = nouveau_gpuobj_new(parent, NULL, 0x20000, 0, NVOBJ_FLAG_HEAP, + &priv->mem); + heap = nv_object(priv->mem); + if (ret) + return ret; + + ret = nouveau_gpuobj_new(parent, heap, (device->chipset == 0x50) ? + 0x1400 : 0x0200, 0, 0, &priv->pad); + if (ret) + return ret; + + ret = nouveau_gpuobj_new(parent, heap, 0x4000, 0, 0, &priv->pgd); + if (ret) + return ret; + + /* BAR3 */ + start = 0x0100000000ULL; + limit = start + pci_resource_len(device->pdev, 3); + + ret = nouveau_vm_new(device, start, limit, start, &vm); + if (ret) + return ret; + + ret = nouveau_gpuobj_new(parent, heap, ((limit-- - start) >> 12) * 8, + 0x1000, NVOBJ_FLAG_ZERO_ALLOC, + &vm->pgt[0].obj[0]); + vm->pgt[0].refcount[0] = 1; + if (ret) + return ret; + + ret = nouveau_vm_ref(vm, &priv->bar3_vm, priv->pgd); + nouveau_vm_ref(NULL, &vm, NULL); + if (ret) + return ret; + + ret = nouveau_gpuobj_new(parent, heap, 24, 16, 0, &priv->bar3); + if (ret) + return ret; + + nv_wo32(priv->bar3, 0x00, 0x7fc00000); + nv_wo32(priv->bar3, 0x04, lower_32_bits(limit)); + nv_wo32(priv->bar3, 0x08, lower_32_bits(start)); + nv_wo32(priv->bar3, 0x0c, upper_32_bits(limit) << 24 | + upper_32_bits(start)); + nv_wo32(priv->bar3, 0x10, 0x00000000); + nv_wo32(priv->bar3, 0x14, 0x00000000); + + /* BAR1 */ + start = 0x0000000000ULL; + limit = start + pci_resource_len(device->pdev, 1); + + ret = nouveau_vm_new(device, start, limit--, start, &vm); + if (ret) + return ret; + + ret = nouveau_vm_ref(vm, &priv->bar1_vm, priv->pgd); + nouveau_vm_ref(NULL, &vm, NULL); + if (ret) + return ret; + + ret = nouveau_gpuobj_new(parent, heap, 24, 16, 0, &priv->bar1); + if (ret) + return ret; + + nv_wo32(priv->bar1, 0x00, 0x7fc00000); + nv_wo32(priv->bar1, 0x04, lower_32_bits(limit)); + nv_wo32(priv->bar1, 0x08, lower_32_bits(start)); + nv_wo32(priv->bar1, 0x0c, upper_32_bits(limit) << 24 | + upper_32_bits(start)); + nv_wo32(priv->bar1, 0x10, 0x00000000); + nv_wo32(priv->bar1, 0x14, 0x00000000); + + priv->base.alloc = nouveau_bar_alloc; + priv->base.kmap = nv50_bar_kmap; + priv->base.umap = nv50_bar_umap; + priv->base.unmap = nv50_bar_unmap; + if (device->chipset == 0x50) + priv->base.flush = nv50_bar_flush; + else + priv->base.flush = nv84_bar_flush; + spin_lock_init(&priv->lock); + return 0; +} + +static void +nv50_bar_dtor(struct nouveau_object *object) +{ + struct nv50_bar_priv *priv = (void *)object; + nouveau_gpuobj_ref(NULL, &priv->bar1); + nouveau_vm_ref(NULL, &priv->bar1_vm, priv->pgd); + nouveau_gpuobj_ref(NULL, &priv->bar3); + if (priv->bar3_vm) { + nouveau_gpuobj_ref(NULL, &priv->bar3_vm->pgt[0].obj[0]); + nouveau_vm_ref(NULL, &priv->bar3_vm, priv->pgd); + } + nouveau_gpuobj_ref(NULL, &priv->pgd); + nouveau_gpuobj_ref(NULL, &priv->pad); + nouveau_gpuobj_ref(NULL, &priv->mem); + nouveau_bar_destroy(&priv->base); +} + +static int +nv50_bar_init(struct nouveau_object *object) +{ + struct nv50_bar_priv *priv = (void *)object; + int ret; + + ret = nouveau_bar_init(&priv->base); + if (ret) + return ret; + + nv_mask(priv, 0x000200, 0x00000100, 0x00000000); + nv_mask(priv, 0x000200, 0x00000100, 0x00000100); + nv50_vm_flush_engine(nv_subdev(priv), 6); + + nv_wr32(priv, 0x001704, 0x00000000 | priv->mem->addr >> 12); + nv_wr32(priv, 0x001704, 0x40000000 | priv->mem->addr >> 12); + nv_wr32(priv, 0x001708, 0x80000000 | priv->bar1->node->offset >> 4); + nv_wr32(priv, 0x00170c, 0x80000000 | priv->bar3->node->offset >> 4); + return 0; +} + +static int +nv50_bar_fini(struct nouveau_object *object, bool suspend) +{ + struct nv50_bar_priv *priv = (void *)object; + return nouveau_bar_fini(&priv->base, suspend); +} + +struct nouveau_oclass +nv50_bar_oclass = { + .handle = NV_SUBDEV(BAR, 0x50), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nv50_bar_ctor, + .dtor = nv50_bar_dtor, + .init = nv50_bar_init, + .fini = nv50_bar_fini, + }, +}; diff --git a/drivers/gpu/drm/nouveau/core/subdev/bar/nvc0.c b/drivers/gpu/drm/nouveau/core/subdev/bar/nvc0.c new file mode 100644 index 0000000..77a6fb7 --- /dev/null +++ b/drivers/gpu/drm/nouveau/core/subdev/bar/nvc0.c @@ -0,0 +1,215 @@ +/* + * Copyright 2012 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Ben Skeggs + */ + +#include <core/gpuobj.h> + +#include <subdev/timer.h> +#include <subdev/bar.h> +#include <subdev/fb.h> +#include <subdev/vm.h> + +struct nvc0_bar_priv { + struct nouveau_bar base; + spinlock_t lock; + struct { + struct nouveau_gpuobj *mem; + struct nouveau_gpuobj *pgd; + struct nouveau_vm *vm; + } bar[2]; +}; + +static int +nvc0_bar_kmap(struct nouveau_bar *bar, struct nouveau_mem *mem, + u32 flags, struct nouveau_vma *vma) +{ + struct nvc0_bar_priv *priv = (void *)bar; + int ret; + + ret = nouveau_vm_get(priv->bar[0].vm, mem->size << 12, 12, flags, vma); + if (ret) + return ret; + + nouveau_vm_map(vma, mem); + nvc0_vm_flush_engine(nv_subdev(bar), priv->bar[0].pgd->addr, 5); + return 0; +} + +static int +nvc0_bar_umap(struct nouveau_bar *bar, struct nouveau_mem *mem, + u32 flags, struct nouveau_vma *vma) +{ + struct nvc0_bar_priv *priv = (void *)bar; + int ret; + + ret = nouveau_vm_get(priv->bar[1].vm, mem->size << 12, + mem->page_shift, flags, vma); + if (ret) + return ret; + + nouveau_vm_map(vma, mem); + nvc0_vm_flush_engine(nv_subdev(bar), priv->bar[1].pgd->addr, 5); + return 0; +} + +static void +nvc0_bar_unmap(struct nouveau_bar *bar, struct nouveau_vma *vma) +{ + struct nvc0_bar_priv *priv = (void *)bar; + int i = !(vma->vm == priv->bar[0].vm); + + nouveau_vm_unmap(vma); + nvc0_vm_flush_engine(nv_subdev(bar), priv->bar[i].pgd->addr, 5); + nouveau_vm_put(vma); +} + +static int +nvc0_bar_ctor(struct nouveau_object *parent, struct nouveau_object *engine, + struct nouveau_oclass *oclass, void *data, u32 size, + struct nouveau_object **pobject) +{ + struct nouveau_device *device = nv_device(parent); + struct pci_dev *pdev = device->pdev; + struct nvc0_bar_priv *priv; + struct nouveau_gpuobj *mem; + struct nouveau_vm *vm; + int ret; + + ret = nouveau_bar_create(parent, engine, oclass, &priv); + *pobject = nv_object(priv); + if (ret) + return ret; + + /* BAR3 */ + ret = nouveau_gpuobj_new(parent, NULL, 0x1000, 0, 0, &priv->bar[0].mem); + mem = priv->bar[0].mem; + if (ret) + return ret; + + ret = nouveau_gpuobj_new(parent, NULL, 0x8000, 0, 0, &priv->bar[0].pgd); + if (ret) + return ret; + + ret = nouveau_vm_new(device, 0, pci_resource_len(pdev, 3), 0, &vm); + if (ret) + return ret; + + ret = nouveau_gpuobj_new(parent, NULL, + (pci_resource_len(pdev, 3) >> 12) * 8, + 0x1000, NVOBJ_FLAG_ZERO_ALLOC, + &vm->pgt[0].obj[0]); + vm->pgt[0].refcount[0] = 1; + if (ret) + return ret; + + ret = nouveau_vm_ref(vm, &priv->bar[0].vm, priv->bar[0].pgd); + nouveau_vm_ref(NULL, &vm, NULL); + if (ret) + return ret; + + nv_wo32(mem, 0x0200, lower_32_bits(priv->bar[0].pgd->addr)); + nv_wo32(mem, 0x0204, upper_32_bits(priv->bar[0].pgd->addr)); + nv_wo32(mem, 0x0208, lower_32_bits(pci_resource_len(pdev, 3) - 1)); + nv_wo32(mem, 0x020c, upper_32_bits(pci_resource_len(pdev, 3) - 1)); + + /* BAR1 */ + ret = nouveau_gpuobj_new(parent, NULL, 0x1000, 0, 0, &priv->bar[1].mem); + mem = priv->bar[1].mem; + if (ret) + return ret; + + ret = nouveau_gpuobj_new(parent, NULL, 0x8000, 0, 0, &priv->bar[1].pgd); + if (ret) + return ret; + + ret = nouveau_vm_new(device, 0, pci_resource_len(pdev, 1), 0, &vm); + if (ret) + return ret; + + ret = nouveau_vm_ref(vm, &priv->bar[1].vm, priv->bar[1].pgd); + nouveau_vm_ref(NULL, &vm, NULL); + if (ret) + return ret; + + nv_wo32(mem, 0x0200, lower_32_bits(priv->bar[1].pgd->addr)); + nv_wo32(mem, 0x0204, upper_32_bits(priv->bar[1].pgd->addr)); + nv_wo32(mem, 0x0208, lower_32_bits(pci_resource_len(pdev, 1) - 1)); + nv_wo32(mem, 0x020c, upper_32_bits(pci_resource_len(pdev, 1) - 1)); + + priv->base.alloc = nouveau_bar_alloc; + priv->base.kmap = nvc0_bar_kmap; + priv->base.umap = nvc0_bar_umap; + priv->base.unmap = nvc0_bar_unmap; + priv->base.flush = nv84_bar_flush; + spin_lock_init(&priv->lock); + return 0; +} + +static void +nvc0_bar_dtor(struct nouveau_object *object) +{ + struct nvc0_bar_priv *priv = (void *)object; + + nouveau_vm_ref(NULL, &priv->bar[1].vm, priv->bar[1].pgd); + nouveau_gpuobj_ref(NULL, &priv->bar[1].pgd); + nouveau_gpuobj_ref(NULL, &priv->bar[1].mem); + + if (priv->bar[0].vm) { + nouveau_gpuobj_ref(NULL, &priv->bar[0].vm->pgt[0].obj[0]); + nouveau_vm_ref(NULL, &priv->bar[0].vm, priv->bar[0].pgd); + } + nouveau_gpuobj_ref(NULL, &priv->bar[0].pgd); + nouveau_gpuobj_ref(NULL, &priv->bar[0].mem); + + nouveau_bar_destroy(&priv->base); +} + +static int +nvc0_bar_init(struct nouveau_object *object) +{ + struct nvc0_bar_priv *priv = (void *)object; + int ret; + + ret = nouveau_bar_init(&priv->base); + if (ret) + return ret; + + nv_mask(priv, 0x000200, 0x00000100, 0x00000000); + nv_mask(priv, 0x000200, 0x00000100, 0x00000100); + nv_mask(priv, 0x100c80, 0x00000001, 0x00000000); + + nv_wr32(priv, 0x001704, 0x80000000 | priv->bar[1].mem->addr >> 12); + nv_wr32(priv, 0x001714, 0xc0000000 | priv->bar[0].mem->addr >> 12); + return 0; +} + +struct nouveau_oclass +nvc0_bar_oclass = { + .handle = NV_SUBDEV(BAR, 0xc0), + .ofuncs = &(struct nouveau_ofuncs) { + .ctor = nvc0_bar_ctor, + .dtor = nvc0_bar_dtor, + .init = nvc0_bar_init, + .fini = _nouveau_bar_fini, + }, +}; |
